Seeing as how Anthropology was one of my first studies when starting College, things like this always entertain me. Sounds like this dates back to the origins of the Iron Age: And the people who mightve been creating such script: Malcom, I didnt know you were that old To me, it is interesting how they summize possible head-stones by the blank corner, but I imagine there are other indicators not mentioned: http://www.foxnews.com/story/0,2933,502664,00.html